Keratoconus or keratoconic is a degenerative disease of the eye cornea. This disease is usually outbreaks in adolescence or early third decade of life. The corneal getting thin and changing its form in this disease. Cornea is in a circle or global form naturally, but in keratoconus, it is projected and conical. This change affects the refraction of the light and causes reduction of vision. Keratoconus.


   Signs and symptoms of keratoconus
iagnosis of keratoconus might be difficult because of its slow development. This disease might be accompanied with myopia or astigmatism and consequently leads to lack of visibility and blurring vision. The patient might be halo vision and sensitive to light. Their prescription will be changed in any doctor visit.